hyxt.getTopWindow().hyxt.dialog.show({
            src : "${pageContext.request.contextPath}/pic/upload",
            name : "_uploadPic_iframe",
            title : "上传图片",
            width : 720,
            height : 500,
            after_close:function(data){
                if(data){
                    data = eval("(" + data + ")");
                    callback(data);
                }
            },
            btn:{
                yes:"确定",
                yes_before_close:function(win) {
                    var _this = this;
                    win.sureChoose(function(data){
                        hyxt.getTopWindow().hyxt.dialog.live._uploadPic_iframe.before_close = function(){
                            return data;
                        }
                        hyxt.getTopWindow().hyxt.dialog.live._uploadPic_iframe.hide();
                    });
                    return false;
                },
                no:"取消",
                no_after_close:function(win) {
                    hyxt.getTopWindow().hyxt.dialog.hide();
                }
            },
            load:function(win){
                try{
                    win.page.upload.init(picWidth,picHeight);
                }catch(e){

                }
            }
        });
